pictcode

<?php

/**

 * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)

 * Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)

 *

 * Licensed under The MIT License

 * For full copyright and license information, please see the LICENSE.txt

 * Redistributions of files must retain the above copyright notice.

 *

 * @copyright     Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)

 * @link          http://cakephp.org CakePHP(tm) Project

 * @package       Cake.Model.Datasource

 * @since         CakePHP(tm) v 2.1

 * @license       http://www.opensource.org/licenses/mit-license.php MIT License

 */

/**

 * Interface for Session handlers. Custom session handler classes should implement

 * this interface as it allows CakeSession know how to map methods to session_set_save_handler()

 *

 * @package       Cake.Model.Datasource.Session

 */

interface CakeSessionHandlerInterface {

/**

 * Method called on open of a session.

 *

 * @return bool Success

 */

        public function open();

/**

 * Method called on close of a session.

 *

 * @return bool Success

 */

        public function close();

/**

 * Method used to read from a session.

 *

 * @param string $id The key of the value to read

 * @return mixed The value of the key or false if it does not exist

 */

        public function read($id);

/**

 * Helper function called on write for sessions.

 *

 * @param int $id ID that uniquely identifies session in database

 * @param mixed $data The value of the data to be saved.

 * @return bool True for successful write, false otherwise.

 */

        public function write($id, $data);

/**

 * Method called on the destruction of a session.

 *

 * @param int $id ID that uniquely identifies session in database

 * @return bool True for successful delete, false otherwise.

 */

        public function destroy($id);

/**

 * Run the Garbage collection on the session storage. This method should vacuum all

 * expired or dead sessions.

 *

 * @param int $expires Timestamp (defaults to current time)

 * @return bool Success

 */

        public function gc($expires = null);

}